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Colorado

CO Department of Labor and Employment, Oil and Public Safety

Scott Narreau, Program Supervisor
633 17th Street, Suite 500
Denver, CO 80202

Phone: 303.318.8495
Fax: 303-318.8529
Email: scott.narreau@state.co.us
Website: www.colorado.gov/pacific/ops/explosives

CO Department of Natural Resources

William C. York-Feirn
1313 Sherman Str.
Denver, CO 80203

Phone: 303.866.3567 Ext. 8151
Fax: 303-318.8529
Email: bill.york-feirn@state.co.us
Website: https://www.colorado.gov/pacific/drms/rules-and-regulations-9
https://www.colorado.gov/pacific/drms/coal-mine-official-certification-forms